Medieval Period Warmer Than Modern, Scientists Say Contrary to popular thought, the Earth during the Middle Ages was warmer than today. Scientists from Harvard University have just completed a comprehensive study that claims modern temperatures are cooler than they were in the Middle Ages. This theory disputes common belief that the Earth is heating up due to global warming. The scientists say that there was a warm period between the 9th and 14th centuries with a brief Ice Age around 1300. The article will be published in the journal Energy and Environment, and is expected to cause much discussion.

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